Quality Measurement of Two-dimensional Shear Wave Speed Imaging for Breast Lesions: the Associated Factors and the Impact to Diagnostic Performance

Li, Dandan; Xu, Hui‐Xiong; Liu, Bo-Ji; Bo, Xiao-Wan; Li, Xiaolong; Wu, Rong

doi:10.1038/s41598-017-05281-5

Cited by 5 publications

(7 citation statements)

References 26 publications

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“…Acoustic Radiation Force Imaging (ARFI) is an internal technique that superimposes tissue elasticity data over a conventional greyscale ultrasound image. Shear waves exciting the target tissue are generated within a fixed‐size (0.7 × 0.7 mm) region of interest (ROI) sampling box where data such as tissue displacement, speed of propagation of the shear waves, and tissue stiffness are obtained 11,12 . Displacement of tissue is higher in soft tissue (fat) and lower in stiff tissue (tendon).…”

Section: Introductionmentioning

confidence: 99%

“…A two-dimensional (2D) quality measurement map (QM) was used to assess the quality of shear wave propagation for data acquisition and data processing. 12 When ARFI is activated, the sampled tissue data is qualitatively and quantitatively evaluated using a proprietary algorithm, and shear wave velocity is measured in meters per second (m/s). High shear wave velocity and low shear wave displacement denotes a "stiff" structure such as bone, whereas low shear wave velocity and high shear wave displacement denotes a less stiff structure, such as muscle belly or adipose tissue.…”

mentioning

confidence: 99%

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A Systematic Temporal Assessment of Changes in Tendon Stiffness Following Rotator Cuff Repair

Hackett

Ting

Lam

et al. 2023

J of Ultrasound Medicine

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Objectives-How the material properties of the human supraspinatus tendon change following arthroscopic rotator cuff repair is undetermined. Shear wave elastography ultrasound is a relatively new, noninvasive measure of tissue stiffness. We aimed to evaluate any temporal changes in stiffness and/or thickness of supraspinatus tendons in humans following primary arthroscopic rotator cuff repair.Methods-Shear wave elastography was performed at three predetermined regions by a single sonographer at 1-, 6-, 12-, 24-, and 52 weeks postoperatively in 50 consecutive single-row inverted mattress primary arthroscopic rotator cuff repairs. One-way ANOVA with Tukey's correction and Spearman's correlation tests was performed.Results-Of 50 patients, two retore by 1-week and were excluded. Two patients retore at 6 weeks, two at 12 weeks, and one at 24 weeks. The mean tendon stiffness in 48 patients at the tendon footprint increased by 21% (1.32 m/s) at 6 months (P < .001), with the lateral tendon stiffening before the medial tendon. Tendon thickness decreased by 11% (0.6 mm) at 6 weeks (P = .008), then stabilized to 24 weeks. Tendons that were less elastographically stiff at 1 week were more likely to be thinner at 6-weeks (r = .38, P = .010).Conclusions-The data supports the hypothesis that rotator cuff tendons repaired using the single-row inverted-mattress technique take 6 weeks to heal to bone. Unlike in other tendons, there was no hypertrophic healing response. Prior to 6 weeks, the tendon may stretch/thin-out, particularly if its material properties, as assessed by shear wave elastography, are inferior. The material properties of the tendon improved at the tendon insertion site first, then medially out to 12 months post-repair.

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Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

A Systematic Temporal Assessment of Changes in Tendon Stiffness Following Rotator Cuff Repair

Hackett

Ting

Lam

et al. 2023

J of Ultrasound Medicine

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“…Several studies report that QSE with B-mode ultrasound improves the diagnosis and evaluation of breast lesions [10]. However, QSE has limitations as it is highly operator dependent and incapable of deeper organ imaging [11]. Moreover, the quantitative information provided by SWE gives better performance compared to QSE [12].…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, SWE has emerged as a new imaging tool that has high reproducibility, capable of deeper organ imaging and has low operator dependency compared to QSE [13]. It has shown potential performance in breast, liver, and prostate lesion detection and diagnosis [11], [12], [14].…”

Section: Introductionmentioning

confidence: 99%

SHEAR-net: An End-to-End Deep Learning Approach for Single Push Ultrasound Shear Wave Elasticity Imaging

Ahmed¹,

Hasan²

2019

Preprint

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Ultrasound Shear Wave Elastography (USWE) with conventional B-mode imaging demonstrates better performance in lesion segmentation and classification problems. In this article, we propose SHEAR-net, an end-to-end deep neural network, to reconstruct USWE images from tracked tissue displacement data at different time instants induced by a single acoustic radiation force (ARF) with 100% or 50% of the energy in conventional use. The SHEAR-net consists of a localizer called the S-net to first localize the lesion location and then uses recurrent layers to extract temporal correlations from wave patterns using different time frames, and finally, with an estimator, it reconstructs the shear modulus image from the concatenated outputs of S-net and recurrent layers. The network is trained with 800 simulation and a limited number of CIRS tissue mimicking phantom data and is optimized using a multi-task learning loss function where the tasks are: inclusion localization and modulus estimation. The efficacy of the proposed SHEAR-net is extensively evaluated both qualitatively and quantitatively on 125 test set of motion data obtained from simulation and CIRS phantoms. We show that the proposed approach consistently outperforms the current state-of-the-art method and achieves overall 4-5 dB improvement in PSNR and SNR. In addition, an average gain of 0.15 in DSC and SSIM values indicate that the SHEAR-net has a better inclusion coverage area and structural similarity of the two approaches. The proposed real-time deep learning based technique can accurately estimate shear modulus for a minimum tissue displacement of 0.5µm and image multiple inclusions with a single push ARF.

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“…Large full-thickness tears and revision rotator cuff repairs are more problematic. 12 Thon et al 19 however, reported encouraging results for the use of bioinductive implants in 23 patients who underwent arthroscopic repairs of large-massive full-thickness rotator cuff tears, augmented with bioinductive collagen implants after capsular release. They found that 96% (22/23) of the repairs had healed by 2 years, with evidence of new tendon formation on ultrasound and magnetic resonance imaging (MRI).…”

mentioning

confidence: 99%

Revision Rotator Cuff Repair With Versus Without an Arthroscopically Inserted Onlay Bioinductive Implant in Workers’ Compensation Patients

Ting

Loh

Rosenthal

et al. 2023

Orthopaedic Journal of Sports Medicine

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Background: The addition of onlay biological grafts to augment difficult rotator cuff repairs has shown encouraging results in a case series. Purpose/Hypothesis: The purpose of this study was to determine whether the addition of an onlay bioinductive implant would improve repair integrity, shear wave elastographic appearance of the repaired tendon and patch, and patient-rated and/or surgeon-measured shoulder function when used in workers' compensation patients undergoing revision arthroscopic rotator cuff repair. We hypothesized that the addition of the bioinductive implant would enhance repair integrity and clinical outcomes compared with standard repair. Study Design: Cohort study; Level of evidence, 3. Methods: A post hoc matched-cohort study was conducted on prospectively recruited workers’ compensation patients who received a bioinductive implant for revision rotator cuff repair (n = 19). The control group was selected from consecutive workers’ compensation revision rotator cuff repair patients before the introduction of bioinductive implants. Then, they were matched for age and tear size (n = 32). Kaplan-Meier curves were generated to compare the primary outcome of repair integrity between groups. The secondary outcomes were to evaluate the elastographic appearance of the tendon and patch in the bioinductive implant group and to compare patient-rated and surgeon-measured shoulder function between groups preoperatively and at 1 week, 6 weeks, 3 months, and 6 months postoperatively. Results: No major complications associated with the bioinductive implants were identified. Six months after the revision rotator cuff repair, the retear rate in the bioinductive implant group was 16% (3/19), compared with 19% (6/32) in the age- and tear size-matched control group ( P = .458). At the final follow-up, the retear rate in the bioinductive implant group was 47% (9/19) at a mean of 14 months compared with 38% (12/32) at a mean of 29 months in the control group ( P = .489). The shear wave elastographic stiffness of repaired tendons augmented with the bioinductive implant remained unchanged at 6 m/s from 1 week to 6 months postoperatively, which is lower than the stiffness of 10 m/s in healthy tendons. There were no significant differences in patient-rated or surgeon-measured outcomes between groups 6 months postoperatively. Conclusion: There were no differences in repair integrity or clinical outcomes between workers’ compensation patients who underwent revision arthroscopic rotator cuff repair with an onlay bioinductive implant compared to those who underwent standard revision rotator cuff repair.

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Quality Measurement of Two-dimensional Shear Wave Speed Imaging for Breast Lesions: the Associated Factors and the Impact to Diagnostic Performance

Cited by 5 publications

References 26 publications

A Systematic Temporal Assessment of Changes in Tendon Stiffness Following Rotator Cuff Repair

A Systematic Temporal Assessment of Changes in Tendon Stiffness Following Rotator Cuff Repair

SHEAR-net: An End-to-End Deep Learning Approach for Single Push Ultrasound Shear Wave Elasticity Imaging

Revision Rotator Cuff Repair With Versus Without an Arthroscopically Inserted Onlay Bioinductive Implant in Workers’ Compensation Patients

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